2011 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 522

11-4 . Service and Maintenance Applying silicone grease on weatherstrips with a clean cloth makes them last longer, seal better, and not stick or squeak. . Lubricate the front suspension, steering linkage, and parking brake cable guides. Control arm ball joints on 2500/3500 series vehicles require lubrication but should not be lubricated unless their temperature is −12°C (10°F) or higher, or they could be damaged. Control arm ball joints on 1500 series vehicles are maintenance‐free. Vehicles used under severe commercial operating conditions require lubrication on a regular basis every 5 000 km/3,000 miles. Body hinges and latches, key lock cylinders, folding seat hardware, and tailgate hinges, linkage, and handle pivot points lubrication. See Recommended Fluids and Lubricants on page 11‑8. More frequent lubrication may be required when the vehicle is exposed to a corrosive environment. Additional Required Services At the First 160 km/100 Miles, 1 600 km/1,000 Miles, and 10 000 km/6,000 Miles . Restraint system component check. See Safety System Check on page 3‑28. Fuel system inspection for damage or leaks. Exhaust system and nearby heat shields inspection for loose or damaged components. Vehicles with diesel engine or GVWR above 4 536 kg (10,000 lbs) only: Shields inspection for damage or looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable to vehicles sold in the United States and recommended for vehicles sold in Canada. . For vehicles with dual wheels: Check dual wheel nut torque. For proper torque, see Capacities and Specifications on page 12‑2. Rotate tires. Tires should be rotated every 12 000 km/ 7,500 miles. See Tire Rotation on page 10‑70. Engine oil level check. See Engine Oil on page 10‑8. Engine coolant level check. See Engine Coolant on page 10‑22. Windshield washer fluid level check. See Washer Fluid on page 10‑29. . Every 12 000 km/7,500 Miles . . . At Each Fuel Stop . . .